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Homepage>BS Standards>23 FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>23.100 Fluid power systems>23.100.01 Fluid power systems in general>BS ISO 19973-2:2015+A1:2019 Pneumatic fluid power. Assessment of component reliability by testing Directional control valves
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immediate downloadReleased: 2019-02-08
BS ISO 19973-2:2015+A1:2019 Pneumatic fluid power. Assessment of component reliability by testing Directional control valves

BS ISO 19973-2:2015+A1:2019

Pneumatic fluid power. Assessment of component reliability by testing Directional control valves

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Standard number:BS ISO 19973-2:2015+A1:2019
Pages:30
Released:2019-02-08
ISBN:978 0 580 97489 2
Status:Standard
DESCRIPTION

BS ISO 19973-2:2015+A1:2019


This standard BS ISO 19973-2:2015+A1:2019 Pneumatic fluid power. Assessment of component reliability by testing is classified in these ICS categories:
  • 23.100.01 Fluid power systems in general

This part of ISO 19973 provides test procedures for assessing the reliability of pneumatic directional control valves by testing and the methods of reporting the results of testing. General test conditions and the calculation method are provided in ISO 19973‑1. The methods specified in ISO 19973‑1 apply to the first failure, as obtained with the three-points moving average (3PMA) method, without repairs, but excluding outliers.

The lifetime of pneumatic and electro-pneumatic directional control valves is usually given as a number of cycles. Therefore, whenever the term “time” is used in this part of ISO 19973, this variable is to be understood as cycles.

This part of ISO 19973 also specifies test equipment and threshold levels for tests to assess the reliability of pneumatic directional control valves.